Privacy Policy

Privacy statement

The responsible authority pursuant to the data protection laws, in particular to the EU General Data Protection Regulation (GDPR), is

Reiner Witt

Your rights as a concerned individual

Under the stated contact details of our data protection officer, you can always exercise the following rights:

  • Information about your stored data and its processing
  • Correction of incorrect personal data
  • Deletion of your stored data
  • Restriction of data processing provided that we are not yet allowed to delete your data due to statutory obligations
  • Objection against the processing of your data
  • Data portability provided that you have agreed to the data processing or under a contract with us.

If you have given us your approval, you can withdraw it any time with effect for the future.

You can always file a complaint by contacting the relevant supervisory authority.Your relevant supervisory authority depends on the federal state of your residence, work or suspected infringement. A list of supervisory authorities (for the non-public area) with address can be found at:

Purposes of data processing by the responsible office and third parties

We process your personal data only for the purposes mentioned in this privacy policy. A transmission of your personal data to third parties for other purposes than those mentioned does not take place. We only share your personal data with third parties, if

  • you have given your explicit consent,
  • the processing is necessary to process a contract with you,
  • the processing is necessary to fulfill a legal obligation,
  • the processing is necessary to protect legitimate interests and no reason to believe that you have a mainly legitimate interest for non-disclosure of your data.

Deletion or blocking of data

We adhere to the principles of data avoidance and data economy. Therefore, we only store your personal data as long as it is necessary to achieve the herein mentioned purposes or as it is intended by the diverse storage limits of the legislator. After discontinuation of the respective purpose or expiry of these limits, the appropriate data will be routinely and pursuant to statutory provisions blocked or deleted.


As many other websites, we also use so-called "cookies". Cookies are small text files transferred from a website server to your hard disk. Hereby, we automatically receive certain data, such as IP address, type of browser used, operating system and your connection to the internet.

Cookies cannot be used to start programs or transfer viruses to a computer. On the basis of the information contained in the cookies, we can facilitate your navigation and enable the correct display of our websites.

In no case, the data collected by us will be transmitted to third parties or established to link with personal data without your consent.

Of course, you can generally have a look at our website also without cookies. Regularly, internet browsers are adjusted to accept cookies. In general, you can disable the usage of cookies anytime through the settings of your browser. Please use the help features of your internet browser to find out how to change these settings. Please note that some features of our website may not work if you have disabled the usage of cookies.

Performance of fee-based services

For the performance of fee-based services we enquire additional data, such as payment details to be able to fulfill your order. We store this data in our systems until the legal storage periods are expired.

SSL encryption

To safeguard the security of your data during the transmission, we use state-of-the-art encryption techniques (such as SSL) via HTTPS.


Based on your explicit given consent, we will regularly send you our newsletteror comparable information by e-mail to your specified e-mail address.

The specification of your email address is sufficient to receive the newsletter. By signing up to receive our newsletter, your provided data will be used solely for this purpose.Subscribers may also be notified by email about various circumstances, which are relevant to the service or registration (such asmodifications of the newsletter offer or technical circumstances).

For an effective registration we need a valid e-mail address. We use the "double opt-in" method to verify that a registration is actually done by the owner of an e-mail address.Hereto, we record the order of the newsletter, the sending of a confirmation mail and the receipt of the requested answer. Further data is not collected. The data will be exclusively used for the newsletter and will not be passed to third parties.

The consent for storing your personal data and its usage for the newsletter can be revoked at any time. An appropriate link can be found in every newsletter. In addition, you can unsubscribe directly on this website anytime or communicate with us and send a corresponding request via the contact option stated at the end of this data protection notice.

Contact Form

If you contact us by e-mail or contact regarding questions of any type, you give us your voluntary consent for the purpose of contacting. This requires the specification of a valid e-mail address serving the assignment of the request and the subsequent reply.The specification of further data is optional. The information provided by you is stored for the purpose of processing the request as well as for possible follow-up questions.The personal data is automatically deleted after completing your request.

Use of script libraries (Google Web Fonts)

To present our content correctly and graphically appealing across all common browsers, we use script libraries and font libraries on this website, such as Google Webfonts ( Google web fonts are transferred to the cache of your browser to prevent multiple loadings. If the browser does not support Google Web fonts or does not authorize the access, the content will be shown in a standard font.

Viewing the page of script libraries or font libraries automatically triggers a connection to the operator of the library. Thereby, it is theoretically possible - but currently also unclear, whether and for what purposes - those operators of such libraries collect data.

The privacy policy of the library operator Google can be found at

Use of Google Maps

This website uses Google Maps API to visually display geographic information. By using Google Maps, Google also collects, processes and uses data about the usage of map features via visitors.More information about Google's data processing is available at the Google data protection noticeYou can also change your personal privacy settings in the privacy center there.

Detailed instructions for administration of own data in connection with Google products can be found here..

Embedded YouTube videos

We embed YouTube videos on several of our websites. The corresponding plug-ins are operated by YouTube, LLC, 901 Cherry Ave., San Bruno, CA 94066, USA. If you visit a webpage with the YouTube plug-in, a connection to the servers of YouTube will be established. Thereby, YouTube will be informed about what websites you visit.If you are logged into your YouTube account, YouTube can assign your surfing behavior to you. This can be prevented by logging out of your YouTube account in the first place.

If a Youtube video is started, the provider uses cookies collecting information about user behavior.

If one disabled the storage of cookies for the Google Ad program does not have to deal with such cookies while watching YouTube videos. But, YouTube also stores non-personal usage information in other cookies. If you want to prevent this, you have to block the storage of cookies in the browser.

You find more information about data protection of "YouTube" in the privacy statement of the provider at:

Social Plugins

On our website we offer you the possibility of using so-called "Social-Media-Buttons". To protect your data, we rely on the "Shariff" solution for implementation. This means that these buttons are only included on the website as a graphic containing a link to the corresponding website of the button provider. By clicking on the graphic you will be forwarded to the services of the respective provider. Only then will your data be sent to the respective providers. If you do not click on the graphic, there is no exchange between you and the providers of the social media buttons. Information about the collection and use of your data in the social networks can be found in the respective terms of use of the respective providers. More information about the Shariff solution can be found here:

We have integrated social media buttons of the following companies on our website:

Change of our data protection regulations

We reserve the right to amend this privacy statement so that it always complies with the latest legal requirements or to implement changes of our services in the privacy statement, such as for introducing new services.The new privacy statement applies for your next visit.

Questions to the data protection officer

If you have any questions about data protection, please email or contact us directly,the person responsible for data protection in our organization is: